/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2024 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "adc.h"
#include "i2c.h"
#include "spi.h"
#include "tim.h"
#include "usart.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
//1. ?????
#define BEEP_ON GPIO_PIN_RESET
#define BEEP_OFF GPIO_PIN_SET
//2. LED??
#define DS_ON GPIO_PIN_RESET
#define DS_OFF GPIO_PIN_SET
#define DS_GPIO_Port GPIOC
#define DS_ALL DS0_Pin|DS1_Pin|DS2_Pin|DS3_Pin|DS4_Pin|DS5_Pin|DS6_Pin|DS7_Pin
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
KeyStateTypeDef KeyScan(void)
{
    //lock?????,0???,1???;?????????????????,
    //??????????
    static uint8_t key0_value = 0xFF;
    static uint8_t key1_value = 0xFF;
    static uint8_t key2_value = 0xFF;
    static uint8_t keyup_value = 0x00;
    static uint8_t lock = 0;
    
    //2ms????,?????,????????????,0???,1???
    //??8?????????,keyx_value???0x00?????????
    key0_value <<= 1;
    key0_value |= KEY0;
    key1_value <<= 1;
    key1_value |= KEY1;
    key2_value <<= 1;    
    key2_value |= KEY2;
    keyup_value <<= 1;
    keyup_value |= WK_UP;
    
    if((!key0_value||!key1_value||!key2_value||(keyup_value==0xff))&&lock==0)    //????????????????
    {
        lock = 1;                //??,???????
        if(!key0_value)
            return KEY0_PRESS;
        else if(!key1_value)
            return KEY1_PRESS;
        else if(!key2_value)
            return KEY2_PRESS;
        else if(keyup_value==0xff)
            return WKUP_PRESS;
    }
    else if(key0_value && key1_value && key2_value && (keyup_value!=0xff) && (lock))            //??????????????(???????)
    {
        lock = 0;                                                    
    }
    else{  }
    
    return NONE_PRESS;  
}
/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
void MutiTimer_Task(void);
void MutiTimer_Task2(void);
void Key_Task(void);
void BEEP(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
extern uint32_t uwTick;
int flag;
int flag1;
/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{

  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_ADC1_Init();
  MX_I2C1_Init();
  MX_I2C2_Init();
  MX_SPI1_Init();
  MX_TIM1_Init();
  MX_TIM2_Init();
  MX_TIM3_Init();
  MX_USART1_UART_Init();
  /* USER CODE BEGIN 2 */

  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* USER CODE END WHILE */
      
    /* USER CODE BEGIN 3 */
		BEEP();
		Key_Task();
		MutiTimer_Task();
		if(flag1==1)
		{
		  MutiTimer_Task2();
		}else if(flag==0)
		{
			HAL_GPIO_WritePin(DS_GPIO_Port, DS6_Pin|DS7_Pin, DS_OFF);
		}
  }
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};

  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  {
    Error_Handler();
  }
  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC;
  PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV6;
  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
  {
    Error_Handler();
  }
}

/* USER CODE BEGIN 4 */

void Key_Task(void)
{
    static uint32_t     Key_Tick;
    if((uwTick - Key_Tick) > 2)
    {    
        switch (KeyScan())
        {
            case NONE_PRESS:
                break;
            case KEY0_PRESS:
                flag1=1;
                break;
            case KEY1_PRESS:
                flag1=0;
                break;
            case KEY2_PRESS:
                flag=1;
                break;
            case WKUP_PRESS:
                flag=0;
                break;
            default:
                break;
        }
    }        
}


#define        DS0_PERIOD        300
#define        DS1_PERIOD        400
#define        DS2_PERIOD        500
#define        DS3_PERIOD        600
#define        DS6_DS_7_PERIOD   400

void MutiTimer_Task2(void)
{
   static uint32_t     DS6_DS7_Flash_Tick;

	 if((uwTick - DS6_DS7_Flash_Tick) > DS0_PERIOD)
    {    
        DS6_DS7_Flash_Tick = uwTick;
        HAL_GPIO_TogglePin(DS_GPIO_Port, DS6_Pin|DS7_Pin);
    }
}

void MutiTimer_Task(void)
{
    static uint32_t     DS0_Flash_Tick;
    static uint32_t     DS1_Flash_Tick;
    static uint32_t     DS2_Flash_Tick;
    static uint32_t     DS3_Flash_Tick;
	
    if((uwTick - DS0_Flash_Tick) > DS0_PERIOD)
    {    
        DS0_Flash_Tick = uwTick;
        HAL_GPIO_TogglePin(DS_GPIO_Port, DS0_Pin);
    }
    if((uwTick - DS1_Flash_Tick) > DS1_PERIOD)
    {    
        DS1_Flash_Tick = uwTick;
        HAL_GPIO_TogglePin(DS_GPIO_Port, DS1_Pin);
    }
    if((uwTick - DS2_Flash_Tick) > DS2_PERIOD)
    {    
        DS2_Flash_Tick = uwTick;
        HAL_GPIO_TogglePin(DS_GPIO_Port, DS2_Pin);
    }
    if((uwTick - DS3_Flash_Tick) > DS3_PERIOD)
    {    
        DS3_Flash_Tick = uwTick;
        HAL_GPIO_TogglePin(DS_GPIO_Port, DS3_Pin);
    }
}

void BEEP(void)
{
    switch (flag)
		{
		  case 0:
			    HAL_GPIO_WritePin(BEEP_GPIO_Port, BEEP_Pin, BEEP_OFF);
          break;
      case 1:
       		HAL_GPIO_WritePin(BEEP_GPIO_Port, BEEP_Pin, BEEP_ON);
          break;

       default:
            break;			
		}	
}

/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
